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Are there limitations on the amount of bookmarks Firefox will keep?

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Once a day I click on "Bookmark All Tabs".

Firefox then creates a folder with that day's date on it in "Bookmarks". Perhaps there are currently 100 or 150 of these folders being saved in "Bookmarks".

But I appear to have reached a limit - it no longer does "Bookmark All Tabs" - it no longer saves all tabs and no longer creates the folder.

If I create a new folder and put all of the current folders in that folder, will I then be able to have Firefox save new bookmarks when I click on "Bookmark All Tabs"?

Once a day I click on "Bookmark All Tabs". Firefox then creates a folder with that day's date on it in "Bookmarks". Perhaps there are currently 100 or 150 of these folders being saved in "Bookmarks". But I appear to have reached a limit - it no longer does "Bookmark All Tabs" - it no longer saves all tabs and no longer creates the folder. If I create a new folder and put all of the current folders in that folder, will I then be able to have Firefox save new bookmarks when I click on "Bookmark All Tabs"?

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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).


A possible cause is a problem with the file places.sqlite that stores the bookmarks and the history.

You can also try to repair the places database with this extension: